All necessary mounting hardware is included with Super Springs unless there are optional footnotes below
SuperSprings are made to install directly above the rear leaf springs of your truck or suv. With a quick and easy installation, the super springs will work in conjunction with the exisisting suspension and engage when needed. The increased spring rate the helper springs provide will lead to less suspension sag, thus providing improved towing capabilities, sway control, and improved handling.
Super Springs can be applied to many applications, including the ability to help the recreational and commercial user alike. We have customers that will use super springs on everything from campers and goose-necks, to fleets of contractors or municipalities with dump bodies. The easy installation time generally leads to reduced costs for repairs and less down time for commercial repairs.
Instructions
The spring is great, the mounting system is not. Looks like it has been scaled down from their original versions to make it cheaper. Only comes with one bracket to hold the spring in place, nothing to keep the mounting bracket from sliding forward except over-tightening and risk breaking the u-bolts by tightening too much. I've had to readjust twice now because the mounting bracket keeps sliding forward on rough roads. That rubber anti-slip insert that you show in all the pictures in the instructions should come included. As it is, there just isn't enough to keep the mounting kit from sliding. If you can figure out how to keep the mounting kit from slipping back and forth...totally worth it though.
